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⇱ Firefox 137 Release Brings VA-API Accelerated H.265 On Linux - Phoronix

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Firefox 137 Release Brings VA-API Accelerated H.265 On Linux

Written by Michael Larabel in Mozilla on 31 March 2025 at 07:06 AM EDT. 38 Comments
The Mozilla Firefox 137 release binaries are now available ahead of the official release set for Tuesday.

Most exciting with Firefox 137 for Linux users is now supporting HEVC/H.265 with the Video Acceleration API. For those using the Mesa VA Gallium3D state tracker like the Radeon graphics, the Intel VA-API driver, the NVIDIA VA-API conversion code, or similar Video Acceleration API implementations can now enjoy accelerated H.265/HEVC content with Firefox on Linux.

Firefox 137 also adds text-decoration-line CSS property support for spelling-error and grammar-error conditions, new JavaScript APIs, SVG additions, and various other changes. See Firefox 137 for developers for more background information.

👁 Firefox 137 on Linux


The Firefox 137.0 release binaries are available from Mozilla.org.

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.